1142993 has 8 divisors (see below), whose sum is σ = 1185408. Its totient is φ = 1101424.

The previous prime is 1142971. The next prime is 1143013. The reversal of 1142993 is 3992411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142993 - 2⁶ = 1142929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3755 + ... + 4047.

It is an arithmetic number, because the mean of its divisors is an integer number (148176).

2^1142993 is an apocalyptic number.

It is an amenable number.

1142993 is a deficient number, since it is larger than the sum of its proper divisors (42415).

1142993 is an equidigital number, since it uses as much as digits as its factorization.

1142993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its digits is 1944, while the sum is 29.

The square root of 1142993 is about 1069.1085071217. The cubic root of 1142993 is about 104.5557344076. Note that the first 3 decimals are identical.

The spelling of 1142993 in words is "one million, one hundred forty-two thousand, nine hundred ninety-three".